Toothbrush



FIG. 1 is a top perspective view of a toothbrush of my new design, as seen from the top left side thereof;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a back elevation view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top perspective view of a second embodiment of a toothbrush of my new design, as seen from the top left side thereof;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a right side elevation view thereof;

FIG. 11 is a left side elevation view thereof;

FIG. 12 is a back elevation view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

In FIGS. 8 through 14, inclusive, the toothbrush bristles are shown in broken lines for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a toothbrush, as shown and described. 